<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>图片模态框</title>
    <style>
      #myImg {
        border-radius: 5px;
        width: 20%;
        height: 20%;
        cursor: pointer;
        transition: 0.3s;
      }

      #myImg:hover {
        opacity: 0.7;
      }

      /* The Modal */
      #myModal {
        display: none;
        position: fixed;
        z-index: 1;
        padding-top: 100px;
        left: 100px;
        top: 100px;
        width: 70%;
        height: 70%;
        overflow: auto;
        background-color: rgb(0, 0, 0);
        background-color: rgba(0, 0, 0, 0.9);
      }

      .modal-content {
        margin: auto;
        display: block;
        width: 100%;
        max-width: 700px;
      }

      #caption {
        margin: auto;
        display: block;
        width: 100%;
        max-width: 700px;
        text-align: center;
        color: #ccc;
        padding: 10px 0;
        height: 150px;
      }

      .modal-content,
      #caption {
        animation-name: zoom;
        animation-duration: 0.6s;
      }

      @keyframes zoom {
        0% {
          transform: scale(0.1);
        }
        100% {
          transform: scale(1);
        }
      }

      .close {
        position: absolute;
        top: 15px;
        right: 35px;
        color: #f1f1f1;
        font-size: 40px;
        font-weight: bold;
        transition: 0.3s;
      }

      .close:hover,
      .close:focus {
        color: #bbb;
        text-decoration: none;
        cursor: pointer;
      }

      @media only screen and (max-width: 700px) {
        .modal-content {
          width: 100%;
        }
      }
    </style>
  </head>
  <body>
    <h2>图片模态框</h2>
    <img src="../image/image1.00.webp" alt="" id="myImg" />

    <!-- The Modal -->
    <div id="myModal">
      <span class="close">×</span>
      <img class="modal-content" />
      <div id="caption"></div>
    </div>

    <script>
      // 获取模态窗口
      var modal = document.getElementById("myModal");

      // 获取图片模态框，alt 属性作为图片弹出中文本描述
      var img = document.getElementById("myImg");
      var modalImg = document.querySelector(".modal-content");
      var captionText = document.getElementById("caption");
      img.onclick = function () {
        modal.style.display = "block";
        modalImg.src = this.src;
        modalImg.alt = this.alt;
        captionText.innerHTML = this.alt;
      };

      // 获取 <span> 元素，设置关闭模态框按钮
      var span = document.getElementsByClassName("close")[0];

      // 点击 <span> 元素上的 (x), 关闭模态框
      span.onclick = function () {
        modal.style.display = "none";
      };
    </script>
  </body>
</html>
